Sublette is one of the 23 counties in the state of Wyoming. It was created in 1921 from parts of Lincoln and Fremont counties. As of the 2010 census, the population was 10,247. The county seat is Pinedale. The county has 4,936 square miles in area. The county is bordered by Fremont County to the east, Sweetwater County to the southeast, Lincoln County to the southwest, and Teton County to the northwest.